use Config; to determine correct perl interpreter (the one being used to run the tests) in the generated test.fcgi script.
Tests: Added standalone test.fcgi for tests as Mojo::HelloWorld.pm is no longer
compatible
Tests: Replaced render_to_file with write_file() and render(), added test depend
ency for File::Slurp
Fixed bug where a body returning "0" results in the body being removed in the response.
Merge pull request #6 from stigtsp/master

Fixed a bug where a body containing a single "0" will get mangled, and updated tests a bit.